Display messages
Possible causes/consequences and
M
Solutions
Speed Limit Assist
currently unavail‐
able See Owner's
Manual
Speed Limit Assist is deactivated and temporarily inoperative.
Possible causes:
R
the windscreen is dirty in the camera's field of vision.
R
visibility is impaired due to heavy rain, snow or fog.
If the display message does not disappear:
X
Pull over and stop the vehicle safely as soon as possible, paying
attention to road and traffic conditions.
X
Apply the electric parking brake.
X
Clean the windscreen.
If the system detects that the camera is fully operational, the dis-
play message disappears.
Speed Limit Assist is operational again.
Speed Limit Assist:
Unavailable in
this country
Speed Limit Assist is only available in certain countries.
X
Drive on.
Speed Limit Assist is available again when you drive in a country
in which its use is approved.
Speed Limit Assist
inoperative
Speed Limit Assist is faulty.
X
Visit a qualified specialist workshop.
HOLD
Off
The HOLD function is deactivated. The vehicle is skidding.
A warning tone also sounds.
X
Reactivate the HOLD function later (
Y
page 187).
Radar sensor deac‐
tivated autom. See
Owner's Manual
Vehicles with a navigation system: the vehicle is close to a radio
telescope facility and is therefore prohibited from transmitting any
radar signals. The radar sensor system has switched off automat-
ically (
Y
page 380).
DISTRONIC PLUS (
Y
page 174) is deactivated automatically if it is
activated. A warning tone also sounds.
Blind Spot Assist (
Y
page 208) or Active Blind Spot Assist
(
Y
page 212) is deactivated automatically if it is activated. The
yellow
9
indicator lamps also light up in the exterior mirrors.
BAS PLUS (Brake Assist PLUS) (
Y
page 62) and PRE-SAFE
®
Brake
(
Y
page 66) are then also not available.
X
Drive on.
Once you have moved far enough away from the radio telescope,
the above functions are available again.
272
Display messages
On-board
comput
er
and
display
s
